#for number in range(1, 20):
#    if number % 5 == 0:
#        print(f"{number} is a multiple of 5!")
#    else:
#        print(f"{number} is not a multiple of 5!")

#start = 0
#stop = 3

#print('Before the loops')

#print('Outer Inner ')

#for outer in range(start, stop):
#    for inner in range(start, stop):
#        print(f'{outer:^6}{inner:^6}')

#print('After the loops')
print('Before the loop')
response_is_invalid = True
while response_is_invalid:
    response = input('Enter yes or no: ').strip().lower()
    if response == 'yes' or response == 'no': 
	    response_is_invalid = False
    else:
        print(f'{response} is not a valid response.')
print(f'The response is {response}')
print('After the loop')

